#!/bin/sh
echo -e "at\r\n" > /dev/ttyUSB1
echo -e "at\r\n" > /dev/ttyUSB1
echo -e "at+cfun=1,1\r\n" > /dev/ttyUSB1
echo -e "at\r\n" > /dev/ttyUSB4
echo -e "at\r\n" > /dev/ttyUSB4
echo -e "at+cfun=1,1\r\n" > /dev/ttyUSB4